Finding the Fourth Proportional to 27,598,359.03, 38,085,987.36 and 15,208,896.99
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Solution
The fourth proportional to 27,598,359.03, 38,085,987.36 and 15,208,896.99 is: 20,988,416.66
Step by Step Solution
- Step 1: Write the proportion equation
27,598,359.03 : 38,085,987.36 = 15,208,896.99 : x - Step 2: Convert to fraction form
27,598,359.03/38,085,987.36 = 15,208,896.99/x - Step 3: Cross multiply
27,598,359.03x = 38,085,987.36 × 15,208,896.99 - Step 4: Simplify right side
27,598,359.03x = 579,245,858,520,682 - Step 5: Solve for x
x = 579,245,858,520,682/27,598,359.03 - Step 6: Final answer
x = 20,988,416.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.